Digital Level 40cmMode function gives the degree percentage in ft Buzzer at 0, 45 and 90 Low battery indicator Memory recall (9 measurements) This spirit level by Stanley features an LCD screen for easy to read measurements, has a 360 readout, flips in upside down position, is functional in all positions, plus its hold function makes it easy to use even in low light condition. Mode function gives the degree percentage in ft Memory recall (9 measurements) Buzzer at 0,